recorder of volume

例句：

1. 1. The engineer was therecorder of volume for the event.
   那位工程师是这次活动的音量记录员。
2. 2. The soundengineer is responsible for recording the volume ofthe audio.
   声学工程师负责录制音频的音量。
3. 3. The music producer needs a recorderof volume to ensure that the sound qualityis consistent.
   音乐制作人需要一位音量记录员来确保音质一致。